Wafi

almost 4 years ago

What is Influenza (Flu)? Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year.

Influenza, shortly known as flu, is a common viral illness that affects respiratory tract. The illness is caused by Influenza Virus. It presents as mild to moderate fever, sneezing, sore throat, and cough with runny or block nose.